baber/WOPTO huggingface dataset:
Patent GB-2251545-A (GB)
Title: Smoker's litter bin
Inventor: AKERS RAYMOND ARTHUR KEITH
IPC: A24F19/00
Filed: 1990-11-14
Abstract: A smokers litter bin comprising two separate chambers, each with their own point of entry. One chamber 11 holds smokers litter such as cigarette ends and the other 10 holds litter. The 'smokers' chamber 11 is constructed from non-combustible material(s), and means may be provided, by way of a sealing flap, to exclude oxygen helping prevent combustion. Thus an ashtray and litter bin for indoor or outdoor use, are available together in one unit, with the facility of both chambers contents being separated but allowing their combined disposal when required. <IMAGE>
Patent GB-2238898-A (GB)
Title: Ophthalmological teaching aid
Inventor: ALEXANDER WILLIAM DAVID
IPC: G09B23/30
Filed: 1990-12-06
Abstract: An aid for those learning to use an ophthalmoscope has a chamber 40 formed with an aperture 42 through which an image (26) (preferably photographic) of the retinal surface of an eye located in the chamber may be viewed. An image supporting frame 46 may extend through a slot 44 in the chamber wall so that an image can pass via the slot into the chamber. The image is preferably selectable from a number of different retinal images indicative of different conditions so a person using the aid may rapidly learn to recognise them. The chamber 40 may be provided with a support frame 58, the two being magnetically attracted to each other via a magnet 80. The support may have a plurality of ribs 64 providing support for images used in the chamber. <IMAGE>
Patent GB-2251648-A (GB)
Title: A bricklayer's tool
Inventor: DURHAM KIRK ROY
IPC: E04G21/18
Filed: 1991-01-10
Abstract: A bricklayer's tool consists of a spirit level 1 and a right-angled limb 8 for marking the position 12 of the perpendicular joints in high quality brickwork. This tool saves 10% to 15% of the bricklayer's time. The limb may be releasably clamped to the level to allow it to be used at different angles, but has a datum position where it is perpendicular. <IMAGE>
Patent GB-2240148-A (GB)
Title: Push fit connector for slender pipes
Inventor: WASHIZU KATSUSHI
IPC: F16L37/098
Filed: 1991-01-10
Abstract: The connector comprises a connector body 1 and a separate socket body 8. The connector body is formed axially therethrough with a smaller-diameter chamber 3' leading to a communication hole 4 in a connecting cylindrical wall 2 at the leading end and a stepped larger-diameter chamber 3 at the back of the smaller chamber 3'. The larger chamber has its cylindrical rear circumference formed into an inwardly inclined retaining wall 1'. The connector body has seal rings 6 fitted in the smaller chamber 3' and a bushing 7 fitted at the back of the seal rings 6. The socket body 8 has integral generally L-shaped elastic pawls 5 projecting from the retaining wall 1' in the larger chamber 3. The socket body is inclined in the vicinity of the root of the L-shaped portion. A pipe is retained in the larger chamber by the leading ends of the paw walls engaging annular ridge P. <IMAGE>
Patent GB-2240986-A (GB)
Title: Asymmetric metal complexes of azo dyes having dihydroxy phenyl ketone couplers
Inventor: PUENTENER ALOIS
IPC: C09B45/14
Filed: 1991-02-13
Abstract: New metal complexes of formula (I) and salts and mixtures thereof are useful for dyeing leather, pelts, wood, paper, inks, anodised aluminium, and fibres of natural or regenerated cellulose, natural or synthetic polyamides, polyurethanes and basically modified polyolefins. <IMAGE>   Me is Cr, Co or Fe; D1 and D2 are each diazo components of the benzene or naphthalene series;  R is alkyl, aryl, cycloalkyl or aralkyl;  X is O, NH or N(C1-4 alkyl);  Z is N or CH, K is the radical of a coupling component when Z is N, or the radical of an o-hydroxy benzaldehyde or naphthaldehyde when Z is CH; f and q are each 0 or 1.
Patent GB-2243950-A (GB)
Title: Field effect transistors
Inventor: NODA MINORU
IPC: H01L29/423
Filed: 1991-03-14
Abstract: A field effect transistor having an asymmetric gate includes a source region 4 and a drain region 5. The drain region is made shallower and of a concentration lower than the source region. An FET having a reduced short channel effect and having a low source resistance and high current drivability (gm) is obtained. The drain region may be produced by implantation through an insulating film whilst the source region is produced by direct implantation. Alternatively an insulating film on the source region may be selectively removed to leave a side wall adjacent the drain region before implantation to form the source and drain regions is performed. <IMAGE>
Patent GB-2244485-A (GB)
Title: Method of removal of metal atoms and explosives from aqueous solution using suspended plant cells
Inventor: JACKSON PAUL JAMES
IPC: C02F1/28
Filed: 1991-05-08
Abstract: The use of plant suspension cultures to remove ionic metallic species and TNT-based explosives and their oxidation products from aqueous solution is described. Several plant strains were investigated including D. innoxia, Citrus citrus. and Black Mexican Sweet Corn. All showed significant ability to remove metal ions. Ions removed to sub-ppm levels include barium, iron, and plutonium. D. innoxia cells growing in media containing weapons effluent contaminated with Ba<2+> also remove TNT, other explosives and oxidation products thereof from solution. The use of dead, dehydrated cells were also found to be of use in treating waste directly.
Patent GB-2253614-A (GB)
Title: Sheet sorting apparatus
Inventor: KIM JEONG HO
IPC: B65H39/11
Filed: 1991-10-02
Abstract: A control system is provided for sorting apparatus of the type having a stack of trays which are vertically movable, with tray pins moving in slots 41, the slots having a central kinked section to move a tray towards the supply of sheets 45 to be sorted, and transfer wheels for propelling the trays through the kinked section and each having three radial 120 DEG -spaced channels for engaging tray pins. The control system includes a central processor, which interfaces with a machine supplying the sheets to be sorted, means for detecting one third revolutions of the transfer wheels, means for detecting the trays in a certain position and means for controlling the drive to the transfer wheels. <IMAGE>
Patent GB-2248963-A (GB)
Title: Compact discs
Inventor: BOWRY CAROLYN
IPC: G11B7/25
Filed: 1991-10-16
Abstract: A compact disc for providing a digital audio or video recording or for recording computer data by laser writing comprises a substrate (2) on which is deposited a layer (1) of a liquid crystal polymer material, preferably having a glass transition temperature above room temperature. Writing is effected by heating elemental areas of the material using a laser. A reflective layer (3) is preferably provided between the liquid crystal layer and the substrate. The record is erasable by heating the liquid crystal polymer material to its isotropic phase and then cooling it relatively slowly. In a second embodiment, a compact disc comprises two substrates (8, 9) between which is contained a layer (9) of a polysiloxane liquid crystal material which exhibits a light-scattering texture after heating with a laser beam. In each case, a dye may be incorporated in the liquid crystal material for efficient absorption of laser light of a predetermined wavelength during writing. Electrodes (10, 11) are provided on the inner surfaces of the substrates for applying an electric field to the polymer layer. <IMAGE>
Patent GB-2249499-A (GB)
Title: Spray nozzle assembly with swivel mounted hollow cone spray tip
Inventor: PROKOPOFF ALEXANDER S
IPC: B05B15/06
Filed: 1991-10-23
Abstract: A spray nozzle assembly including a body (12) and a nozzle tip (14) having a ball-shaped mounting end (29) for selected swivel positioning within a socket (28) in the body. The nozzle tip (14) contains a vein (35) for imparting swirling movement to liquid passing through the nozzle assembly such that the discharging liquid has a hollow cone spray pattern. The vein (35) has a pair of liquid flow passageways (50) each having a diameter of at least .22 the diameter of the ball- shaped mounting end of the tip. To ensure that the vein passageways extend through the vein without the existence of an axial see-through condition, the vein (35) has a chamfered upstream end (52) extending outwardly of the tip. <IMAGE>
Patent GB-2261745-A (GB)
Title: Pneumatic restrictor
Inventor: KARTE THOMAS GEORG
IPC: F16L55/027
Filed: 1991-11-13
Abstract: A pneumatic restrictor, in particular for installation on the intake side of electro-pneumatic converters, is suggested, characterised by a flow channel (1) of rectangular cross-section which is composed of a plurality of short, straight channel sections (2) which are arranged in the flow direction in such a manner that the middle axes of two successive channel sections (2) are at an angle of more than 10 DEG  and the flow-inside walls (3) of the channel section meet at the same angle with sharp edges. <IMAGE>
Patent GB-2263704-A (GB)
Title: Heat-resistant sintered hard alloy
Inventor: TAKAGI KENICHI
IPC: C22C29/14
Filed: 1992-01-29
Abstract: A heat-resistant sintered hard alloy comprises 35% to 95% by weight of a WCoB type complex boride in a cobalt base alloy. The alloy may contain 1.5% to 4.1% boron, 19.1% to 69.7% tungsten, optionally 1 to 25% chromium, the balance being cobalt and a maximum of 1% impurities. Nickel (0.2 - 30%), iron (0.2 - 15%) and/or copper (0.1 - 7.5%) may be substituted for portions of the cobalt content.
Patent GB-2264892-A (GB)
Title: Workcentre
Inventor: BONACINA SERGIO
IPC: B27F1/12
Filed: 1992-03-05
Abstract: A workcentre (10, Figure 1, not shown) has a table (12) and frame (14a, b, c, Fig. 1, not shown) capable of moving a tool (20, Fig. 1, not shown) through three orthogonal directions, (X, Y, Z) by means of a computer (41, Fig. l, not shown), controlling driving motors (30a, b, c, Fig. 1, not shown). The worktable (12) has first and second clamping means (104, 114) to hold two pairs of workpieces (101, 102) so that dovetail slots (and other joining mortices and tenons) can be cut in the workpieces and a box section (figure 7, not shown) be formed. With this arrangement automatic cutting is feasible even for irregular dovetails. <IMAGE>
Patent GB-2266811-A (GB)
Title: Switched socket outlet.
Inventor: CHOO ALBERT LIM CHEOK
IPC: H01R13/70
Filed: 1992-04-24
Abstract: Two parts (10, 12) of a casing of a socket outlet locate conductors within them and a switch (72) is associated with the casing; the switch being releasably connected, for example by a two-part connection (60, 76), within the casing. The socket outlet may comprise two sockets, each having a further casing part (22a, 22b) locating conductors within the casing. <IMAGE>
Patent GB-2261436-A (GB)
Title: Two-part bulk and suspension polymerisation
Inventor: MAHABADI HADI K
IPC: C08F2/18
Filed: 1992-10-20
Abstract: A process for the preparation of conductive submicron polymeric particles which comprises mixing at least one monomer with a polymerization initiator, a crosslinking component and a chain transfer component; effecting bulk polymerization until from about 10 to about 50 weight percent of the monomer has been polymerized; terminating polymerization by cooling the partially polymerized monomer; adding thereto from about 1 to about 50 weight percent of a conductive filler, or conductive fillers, followed by mixing thereof; dispersing the aforementioned mixture of conductive filler or fillers, and partially polymerized product in water containing a stabilizing component to obtain a suspension of particles with an average diameter of from about 0.05 to about 1 micron in water; polymerizing the resulting suspension by heating; and subsequently washing and drying the product. The process is characterised by the use of a conductive filler which may be carbon black, metal oxides such as iron oxides, stannic oxide or titanium oxide or a metal such as iron. The particles can be used as carrier powder coatings for developer compositions useful in electrophotographic imaging processes.
Patent GB-2273325-A (GB)
Title: Improved screw with depth setting flange
Inventor: CONROY JOHN
IPC: F16B35/06
Filed: 1992-12-11
Abstract: In order to overcome the problem of sag which can occur where a screw enters a wall plug, resulting in a breakdown of the surrounding wall surface, a depth setting disc (16) is provided on the shank portion (12) of the screw, the disc being larger in diameter than the screw head (14). The disc (16) is preferably an integral part of the screw. The disc diameter is preferably about 8 mm greater than the diameter of the screw head. <IMAGE>
Patent GB-2274934-A (GB)
Title: Navigation computer
Inventor: ALDER GORDON ALBERT
IPC: G06G1/00
Filed: 1993-02-09
Abstract: A simple mechanical computer designed to produced simplified solutions of aeronautical navigation problems comprises two rigid bodyparts made from transparent material and hinged together at 3 to enclose a disc 7 which rotates within the computer body. The body of the computer is selectively overprinted so as to leave a number of transparent windows 9 and 10 through which printing on the disc can be seen. The results of a series of calculations are printed on the disc. The centre of the computer 11 is transparent with radial lines forming a protractor. The edges of the computer body are marked with a distance scale. Interchangeable discs provide a wide range of solutions of navigation problems. <IMAGE>
Patent GB-2276399-A (GB)
Title: Adjustable flooring for e.g. exhibition stands
Inventor: COLLIS JAMES FREDRICK
IPC: E04F15/024
Filed: 1993-03-19
Abstract: Adjustable flooring comprises floor panels (27) (Fig 2, not shown) dimensioned to correspond to support frames (11) mounted on height-adjustable foot members (15). Pegs on the panels may locate in holes (29) through the frames (11). <IMAGE>
Patent GB-2267383-A (GB)
Title: Adaptive digitial linearization of magnetoresistive head output
Inventor: OTTESEN HAL HJALMAR
IPC: G11B20/10
Filed: 1993-04-22
Abstract: A digital output signal originating from a magnetoresistive sensor 200 is digitally linearized by detecting the digital output signal originating from the magnetoresistive sensor and selecting one of a plurality of linearization factors correlated to the output signal. The linearization factors may be derived from a look-up table 214. The sensor 200 may be a read head of a disk drive system. In an arrangement with multiple heads, it is possible to equalise the gain of each head. It is also possible to maintain the gain constant regardless of changes in head or disk characteristics. <IMAGE>
Patent GB-2278007-A (GB)
Title: Entertainment machines
Inventor: WAIN JOHN LAURENCE
IPC: G07F17/32
Filed: 1993-05-14
Abstract: In a coin-operated fruit machine in which an award is obtained if a winning combination is selected, a regulator is used to maintain a desired ratio of awards to coin input. The regulator operates within a software controlled microprocessor based machine operating system to influence the chance of attaining winning symbol combinations, and applies this influence in relation to each game independently of other games. <IMAGE>
Patent GB-2280128-A (GB)
Title: Exhaust emission control
Inventor: MA THOMAS TSOI-HEI
IPC: F01N13/02
Filed: 1993-07-24
Abstract: A method of operating an internal combustion engine having a catalytic converter 10, 11 and an afterburner is described for heating the catalytic converter during cold starts. The method comprising the steps of cranking the engine until the engine fires. After the engine has fired, the air intake is regulated to maintain a constant and predetermined air flow rate independently of engine load, fuel is supplied at a predetermined rate to the engine cylinders, air from pump 30 is added at a predetermined to the engine, exhaust gases and the air and exhaust gas mixture is ignited by glow-plug 17 in the afterburner. <IMAGE>
Patent GB-2283165-A (GB)
Title: "Chair"
Inventor: SOUTHWORTH JEAN BERTHA
IPC: A61G5/10
Filed: 1993-10-30
Abstract: A chair consists of a lounge chair frame 11 and a mobile chair 10 which is releasably secured thereto so that a patient can be moved out of a lounge situation without the use of other equipment such as mechanical hoists. This chair removes the need to lift a patient from a static to mobile chair either manually or with equipment thereby maintaining dignity and safety whilst adhering to new government legislation on lifting practices. <IMAGE>
Patent GB-2273015-A (GB)
Title: Vehicle obstruction detection system
Inventor: GREENDALE STEVEN
IPC: G01S17/931
Filed: 1993-11-18
Abstract: A vehicle obstruction avoidance system particularly for reversing a vehicle towards obstructions not visible in the wing mirrors. A radar head is mounted on the rear bumper, the head including a scanner and sensor. The total range of interest is only a few metres and provides very little time for processing echoes from all range cells in the range. The invention provides a system in which only one range cell is processed with each pulse transmission and the range cell is stepped on for the next pulse so as to cover the entire range of interest. <IMAGE>
Patent GB-2272824-A (GB)
Title: Improved micropropagation apparatus and method
Inventor: CASSELLS ALAN
IPC: A01H4/00
Filed: 1992-04-16
Abstract: The invention provides apparatus for severing plant material in micropropagation. Microplants (35) growing in a culture-medium-containing tray (34) are supported in an inverted disposition within an enclosure (1). A culling means (15) suitably having one or more optionally cooperating blades is traversed across the array of microplants (35) at a level such that a multiplicity of nodes (36) are cut from the inverted plants (35). The nodes (36) are collected on an underlying container or tray (5), containing a culture medium. The cut nodes held on tray (5) are then enclosed within a PVC wrapping material (39a, 39b) at a wrapping station (38), sealed within the film (39a, 39b) at a further station (41), and removed to a downstream growth location, where plant development takes place under controlled environmental conditions. <IMAGE>
Patent GB-2277433-A (GB)
Title: Aperture seal system for use in clothing and other wearable articles
Inventor: MIDDLETON NIGEL JOHN
IPC: A41D13/00
Filed: 1994-04-20
Abstract: An inflatable controlled aperture seal system for use in, eg, survival suits, worksuits, artic clothing, fire-fighter's clothing, helmets and medical dressings and appliances. The system comprises an annular elastic tube (1) sealed to the wearable article and being inflatable and deflatable so that, upon deflation while wearing the article, the tube radially contracts to an extent sufficient to seal around a body portion of the wearer. Thus the system incorporates a fail-safe mode of operation in that, if failure of the system should occur, then the seal(s) will remain effective. The system also provides considerable advantages in comfort and ease of use. A preferred arrangement of a zip in a suit is described with reference to Fig. 7. Also, a manual air pump is described with reference to Fig. 8. <IMAGE>
Patent GB-2289006-A (GB)
Title: Setting tool
Inventor: ANQUETIN ROBERT PAUL
IPC: B21J15/04
Filed: 1994-04-29
Abstract: A setting tool (2) for mounting fixings 32 into a surface 36 includes a housing (4) shaped (14, 16) to form a channel so that separation of jaws (6, 8) is only possible linearly. Movement of a handle (18) of the tool (2) causes a pivoting lever mechanism (20, 22, 18, Fig 2) to slidably move a component (10, Fig 2) within the housing (4). This component (10, Fig 2) forms one of the jaws (6) and thus linear separation of the jaws (6, 8) occurs. <IMAGE>
Patent GB-2281440-A (GB)
Title: Terminal for a piezoelectric device and manufacturing process thereof
Inventor: NAGANO KOICHI
IPC: H03H9/05
Filed: 1994-08-19
Abstract: A terminal 11 for a piezoelectric device has a first electrode portion 11a, a second electrode portion 11b folded on the first electrode portion, projections 11d 11e on the first and second electrode portions, and further a vibration absorber 15 between the first and second electrode portions. As the vibration absorber there may be used oil, a non-volatile component of oil, silicone grease, polyamide resin, paper, an anticorrosive, a coating agent, silicone rubber, etc. The oil may be that used during cutting and/or folding of the terminal. Alternatively sealant (95, Fig 16 not shown) used to seal a filter including a terminal (81) may flow between first and second electrode portions (81a, 81b). <IMAGE>
Patent GB-2284530-A (GB)
Title: Resilient sheet materials
Inventor: BADEN-POWELL ROBERT CRAUSE
IPC: A01K1/015
Filed: 1993-06-30
Abstract: A water-impermeable, resilient and compressible sheet material suitable for use as animal bedding, preferably for horses, is formed from a natural or synthetic rubber or plastics material. It has grooves (54) in its upper surface and columns (58) to space it above a stable floor. The sheets are linked by plates (see figure 7) engaging the columns adjacent the sheet edges. The linking plates leave spaces between the mats so that urine and other liquids run between the mats. If the stable floor slopes the liquid runs beneath the mats down the slope. The grooves (54) help prevent splashing and conduction liquids to the mat edges. Other composite materials are shown in figures 1 to 4 and can be used as bedding or for protective purposes. <IMAGE>
Patent GB-2298432-A (GB)
Title: In ovo administration of a competitive exclusion culture
Inventor: SCHNEITZ CARITA ELISABETH
IPC: A61K35/741
Filed: 1995-03-03
Abstract: A method of competitively excluding pathogens capable of intestinal colonization, such as Salmonella or Campylobacter , from a digestive tract of a bird comprises administration in  ovo to a fertile bird egg of a competitive exclusion (CE) culture essentially free from bacteria which abundantly form gas, such as Clostridium species. The CE culture may be any CE culture essentially free from abundant gas forming bacteria which culture is derived from a digestive tract of a bird free from pathogens. The CE culture may be administered either into the air cell or the amnion of a fertile bird egg, preferably into the amnion.
Patent GB-2301971-A (GB)
Title: Video compression
Inventor: WILKINSON JAMES HEDLEY
IPC: H03M7/36
Filed: 1995-06-06
Abstract: A soft windowing technique involves the use of a window for vector assisted frame differing, the window being larger than a macroblock of the structure defined over the video picture. The edges of each window taper so that overlapping windows provide the correct pixel weighting at the edges. For a scheme having 16*16 luminance macroblocks and 8*8 chrominance macroblocks, the luminance window is 24*24 and the chrominance window is 12*12.
Patent GB-2305735-A (GB)
Title: Cake and pie portioner
Inventor: LEFORT VICTOR ALAN
IPC: A21C15/04
Filed: 1995-09-29
Abstract: The device consists of two triangular leaves pivoted about an axis pin applied to the top surface of a circular cake or pie. The lower leaf is scaled to indicate portions between 8 and 16 in number. The upper leaf allows each portion size to be set and marked off for cutting.
Patent GB-2296487-A (GB)
Title: Elevator Apparatus
Inventor: AKUTSU HIROTO
IPC: B66B5/22
Filed: 1995-12-14
Abstract: The elevator apparatus comprises a car (3, Fig 4) supported in a frame (4) via a platform frame 8. The frame has uprights 7A, B and a lower plank (6) comprising spaced beams 6A, B. The emergency stop device is governor actuated and comprises a wedge device 22, 24 gripping guide rails 1. The device is attached to the frame and platform through a reaction force supporting member 17 and, preferably, a moment supporting member 33. The moment supporting member 33 can be attached to the platform frame as shown or to the bottom of the member 17 and the frame members 6A, B (Figs 6 and 7). The member 17 is preferably a thick, rigid plate as shown or both members 17, 33 may be formed from thin sheet steel with bent end portions (39, 40, Fig 8). <IMAGE>